Beautiful shrimp plant (also called Justicia) and you must live in a warm climate as this heat tolerant plant will drop leaves and die in cold weather. It needs just moderate water and some shade during the hottest part of the day is appreciated. The one growing tip is to pinch the ends of young plants to make this plant more bushy with more flowers. It is most often grown as an annual plant which means you enjoy it for just one year as it  often dies over the winter. Keep growing, Marianne Binetti